*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    font-family: "Microsoft YaHei";
}
ul,li{
    list-style: none;;
}
img{
    width: 100%;
    vertical-align: middle;
}
.flex{
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
}
.flex-between{
    justify-content: space-between;
    align-items: center;
}
.color9{
    color: #999;
}
.container{
    max-width:  1440px;
    margin: 0 auto;
}
.padding{
    padding: 0 10%;
}
.bold{
    font-weight: bold;
}
.tip_p{
    font-size: 18px;
    line-height: 40px;
    color:#7F7F7F;
}

.nav_img{
    width: 100px;
    transition: all 0.9s ease-in;
}
.stone_head{
    width: 100%;
    height: 450px;
    padding: 50px 10% 120px;;
    color: #fff;
    transition: all 0.3s;
}
.stone_head_box{
    width: 100%;
    background: url(../img/header.png) no-repeat;
    background-size: cover;
}
.head_nav{
    opacity: 1;
    line-height: 70px;
    height: 70px;;
    float: right;
}
.head_nav  a{
    color: #fff;
    font-size: 16px;
    height: 70px;
    line-height: 70px;
    display: inline-block;
    margin-left: 30px;
}
.head_nav a:hover{
    transform: scale(1.1);
    transition: all 0.3s;
}
.head_tip{
    text-align: center;
    margin-top: 120px;
    transition: all 0.9s ease-in;
}
.head_tip .china_t{
    font-size: 30px;
    line-height: 50px;
    transition: all 0.9s ease-in;
}
.head_tip .en-t{
    font-size: 20px;
    line-height: 40px;
    transition: all 0.9s ease-in;
}
.nav_box{
    position: fixed;
    top: 0;
    left: 0;
    width:100%;
    z-index: 1000;
    border-bottom: 1px solid transparent;
    height: 70px;;
}
.navbar-default{
    background-color: transparent;
    transition: all 0.3s;
}
.group{
    padding-top: 50px;
    padding-bottom: 50px;
    border-bottom: 1px solid #BFBFBF;
    transition: all 0.5s ease-in;
    align-items: center;
}
.stone_content,.stone_head,.stone_footer{
    max-width: 1440px;
    margin: 0 auto;
}
.group .explain{
    color:#7F7F7F;
}
.group .title{
    font-size: 22px;
    color: #595959;
    margin-bottom: 30px;
}
.group>div{
    -webkit-box-flex: 1;
    -webkit-flex: 1;
    -ms-flex: 1;
    flex: 1;
    justify-content: space-between;
    transition: all 0.5s ease-in;
}
.group .mark{
    color: #66CCFF;

}
.group .img_box{
    width: 260px;
    margin: 0 auto;
}
.img_box img{
    width: 100%;
}
.solution .title{
    font-size: 22px;
    color: #595959;
    margin: 40px 0;
}
.solution_item{
    margin-bottom: 100px;
}
.solution_item>div{
    flex: 1;
    -webkit-box-flex: 1;
    -webkit-flex: 1;
    -ms-flex: 1;
    transition: all 0.5s ease-in;
}
.solution_item>div.left .tip_title{
    font-size: 19px;
    color: #595959;
}
.solution_item>div.left .tip_title .mark{
    color: #66CCFF;
}
.solution_item>div.right{
    text-align: center;
}
.solution_item>div.right .solution_img{
    width: 210px;
    margin: 0 auto;
}
.content_footer{
    margin-bottom: 40px;
}
.stone_footer{
    font-size: 18px;
    line-height: 40px;
    padding-top: 40px;
    padding-bottom: 40px;
    width: 100%;
    color:#fff;
}
.stone_footer_box{
    background-color: #8ED9FF;
    width: 100%;
}
.stone_footer .title{
    font-size: 22px;
    font-weight: bold;
}
.stone_footer_tip{
    text-align: center;
    margin: 10px auto;
    width: 80%;
}
.menu_icon{
    display: none;
}
.head_nav2{
    display: none;
}
.head_nav2 a{
    display: block;
    text-align: center;
}
.solution_title_box{
    margin-bottom: 100px;
}
.nav_img2{
    display: none;
}
.nav_box_white{
    background-color: #fff;
    height: 70px;;
    border-bottom: 1px solid #eee;
}
.nav_box_white .head_nav a{
    color: #595959;
}
body{
    background-color: #fff;
}
.code_box{
    width: 100px;
    position: relative;
    top: 8px;
}
.email_icon{
    background: url("../img/icon/email.png") no-repeat;
}
.tel_icon{
    background: url("../img/icon/tel.png") no-repeat;
}
.phone_icon{
    background: url("../img/icon/phone.png") no-repeat;
}
.icon_box{
    display: flex;
    align-items: center;
    justify-content: flex-start;
}
.store_icon{
    display: inline-block;
    width: 20px;
    height: 20px;;
    background-size: cover;
}
/* 列表 */
.list_content{
    padding: 0 5%;
}
.new_list li{
    border: 1px solid #c6c6c6;
    display: flex;
    justify-content: space-between;
    align-content: center;
    align-items: center;
    padding: 10px 10px 10px 40px;
    margin: 20px 0;
}
.new_list li .title{
    font-size: 18px;
    color: #333;
    display: flex;
    justify-content: space-between;
    align-content: center;
    align-items: center;
    padding: 20px 0 40px 0;
}
.new_list li .title a{
    width: 85%;
    color: #595959;
    font-weight: bold;
    font-size: 22px;
}
.new_list li .title .date{
    color: #999;
    font-size: 16px;
}
.new_list li .left{
    width: 80%;
    padding-right: 60px;
    height: 200px;
}
.new_list li .left .msg{
    font-size: 18px;
    color: #7f7f7f;
}
.new_list li .right{
    height: 200px;
    width: 300px;
    transition: all 0.3s;
    overflow: hidden;
    background-color: #eee;
}
.new_list li .right img{
    transition: all 0.8s ease-out;
}
.ellipsis3{
    overflow:hidden; 

text-overflow:ellipsis;

display:-webkit-box; 

-webkit-box-orient:vertical;

-webkit-line-clamp:3; 
}
.ellipsis{
    overflow: hidden;
text-overflow:ellipsis;
white-space: nowrap;
}
@media (max-width:1024px){
    .new_list li {
        flex-direction: column;
        padding: 15px;
    }
    .new_list li .left{
        padding-right: 0;
        width: 100%;
        height: auto;
        margin-bottom: 20px;
    }
    .new_list li .left .msg{
        font-size: 15px;
    }
    .new_list li .title{
        padding: 20px 0;
    }
.new_list li .title a{
    font-size: 18px;
}
.new_list li .title .date{
    font-size: 14px;
}
    .new_list li .right{
        width: 100%;
        height: auto;
        max-height: 500px;
        min-height: 180px;
        overflow: hidden;
        transition: all 0.3s;
        transform: scale(1)
    }
    .group{
        align-items: center;
        flex-direction: column;
        -webkit-flex-direction: column;
        -ms-flex-direction: column;
    }
    .group>div:nth-of-type(1){
        margin-bottom: 50px;
    }
    .head_tip .china_t{
        font-size: 24px;
        line-height: 30px;
    }
    .head_tip .en-t{
        font-size: 16px;
        line-height: 40px;
    }
.solution .title,.group .title{
        text-align: center;
    }
    #optimize.group{
        -webkit-flex-direction: column-reverse;
        -ms-flex-direction: column-reverse;
        flex-direction: column-reverse;
    }
    #optimize.group>div:nth-of-type(1){
        margin-bottom: 0;
    }
    #optimize.group>div:nth-of-type(2){
        margin-bottom: 50px;
    }
    .solution_item{
        -webkit-flex-direction: column;
        -ms-flex-direction: column;
        flex-direction: column;
        align-items: center;
    }
    .solution_item>div:nth-of-type(1){
        margin-bottom: 50px;
    }
    .stone_footer .title{
        font-size: 22px;
    }
    .stone_footer{
        font-size: 18px;
    }

}

@media (max-width:768px){
    .code_box{
        width: 80px;
    }
    .nav_img1{
        display: none;
    }
    .nav_box{
        height: 50px;;
    }
    .head_box {
        height: 50px;
    }
    .nav_img2{
        display: inline-block;
    }
    .navbar-default{
        background-color: #fff;
        transition: all 0.3s;
        border-bottom: 1px solid #eee;
    }
    .solution_item>div.left .tip_title{
        font-size: 16px;
        margin-bottom: 15px;
    }
    .solution_title_box{
        margin-bottom: 20px;
    }
    .menu_icon{
        width: 30px;
		height: 25px;
		border-top: 5px solid #7F7F7F;
		border-bottom: 5px solid#7F7F7F;
		background-color: #7F7F7F;
		padding: 5px 0;
        background-clip:content-box;
        /* position: absolute; */
        /* right: 20px; */
        display: inline-block;
        z-index: 10;
    }
    .stone_head{
        padding: 30px 10px;
        height: 300px;
        position: relative;
        transition: all 0.3s;
    }
    .group{
        padding-top: 20px;
        padding-bottom: 20px;
    }
    .group .img_box{
        width: 150px;
    }
    .group .title,.solution .title{
        font-size: 18px;
        margin: 20px 0;
    }
    .solution_item>div.right .solution_img{
        width: 150px;
    }
    .solution_item{
        margin-bottom: 50px;
    }
    .tip_p{
        font-size: 15px;
        line-height: 30px;
        color:#7F7F7F;
    }
    .padding{
        padding: 0 15px;
    }
    .head_nav{
        display: none;
    }
    .head_nav2 {
        flex-direction: column;
        -webkit-flex-direction: column;
        -ms-flex-direction: column;
        width: 100%;
        height: auto;
        position: fixed;;
        display: none;
        left: 0;
        top:50px;
        background: rgba(0, 0, 0,0.5);
        z-index: 1000;
        border: 1px solid #eee;
        padding: 24px 0;
    }
    .head_nav2 a{
        font-size: 18px;
        height: 50px;;
        line-height: 50px;
        border: none;
    }
    .nav_img{
        width: 100px;
    }
    .head_tip{
        margin-top: 120px;
    }
    .head_tip .china_t{
        font-size: 16px;
        line-height: 20px;
    }
   .head_tip .en-t{
       font-size: 12px;
       line-height: 14px;

    }
    .stone_footer {
        font-size: 15px;
        line-height: 30px;
        padding-top: 20px;
        padding-bottom: 20px;
    }
    .stone_footer_tip{
        font-size: 12px;
    }
    .stone_footer .title{
        font-size: 18px;
    }
    /* .head_box{

    } */

}

